An illustrated flora of the An illustrated flora of the northern United States, Canada and the British possessions : from Newfoundland to the parallel of the southern boundary of Virginia and from the Atlantic Ocean westward to the 102nd meridian ed2illustratedflo02brit Year: 1913 21. Potentilla pectinata Raf. Coast Cinquefoil. Fig. 2247. Potentilla pectinata Raf. Aut. Bot. 164. 1840. P. litloralis Rydberg, Bull. Torn Qub 23: 264, 1896 Perennial, tufted, stems ascending or decum- bent, branched above, 6-2° high, appressed-silky, or glabrate. Stipules ovate-lanceolate, cleft or entire, acute;
An illustrated flora of the An illustrated flora of the northern United States, Canada and the British possessions : from Newfoundland to the parallel of the southern boundary of Virginia and from the Atlantic Ocean westward to the 102nd meridian ed2illustratedflo02brit Year: 1913 21. Potentilla pectinata Raf. Coast Cinquefoil. Fig. 2247. Potentilla pectinata Raf. Aut. Bot. 164. 1840. P. litloralis Rydberg, Bull. Torn Qub 23: 264, 1896 Perennial, tufted, stems ascending or decum- bent, branched above, 6-2° high, appressed-silky, or glabrate. Stipules ovate-lanceolate, cleft or entire, acute; basal and lower leaves petioled, pinnately 5-7-foliolate, the leaflets approximate or apparently digitate; leaflets oblanceolate or obovate, incised-pinnatifid into oblong obtuse segments, grayish-pubescent beneath, green and glabrate above, i'-2*' long; flowers yellow, cymose, 4'-s' broad; petals obovate, equalling or slightly exceeding the ovate acute veined sepals and the lanceolate bractlets; stamens 20-25; style thickened below; achenes glabrous. Coast of Newfoundland and Labrador to Hudson Bay, Quebec and New Hampshire. June-July. 22. Potentilla pennsylvanica L. Prairie Cinquefoil. Fig. 2248. Potentilla pennsylvanica L. Mant. 76. 1767. P. pennsylvanica sirigosa Pursh, Fl. Am. Sept. 356. 1814. P. sirigosa Pall.; Tratt. Ros. Monog. 4:31. 1824. Stem generally erect, 15-30' high, tomentose and more or less villous. Stipules ovate, often much divided; leaves pinnately 5-15-foliolate, grayish tomentose beneath, glabrous above; leaflets oblong or oblanceolate, cleft halfway to the midrib into oblong lobes, margins scarcely revolute; cymes dense, the branches erect; petals yellow, obovate, truncate or slightly emarginate, about equalling the ovate triangular acute sepals and the lanceolate bractlets; stamens 20-25; style thickened below; achenes gla- brous. On plains, Hudson Bay to the Yukon. British Colum- bia, Kansas and New Mexico. Summer. '7
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